basics code for cz

chenzhuo@wanhuchina.com · chenzhuo@wanhuchina.com · commit bd08600aea38 · 2018-04-19T19:40:28.000+08:00
id 生成策略
diff --git a/pom.xml b/pom.xml
@@ -42,7 +42,13 @@
             <artifactId>cglib</artifactId>
             <version>2.1_3</version>
         </dependency>
-
+        <!--redis-->
+        <!-- https://mvnrepository.com/artifact/redis.clients/jedis -->
+        <dependency>
+            <groupId>redis.clients</groupId>
+            <artifactId>jedis</artifactId>
+            <version>2.9.0</version>
+        </dependency>
 
 
     </dependencies>
diff --git a/src/main/java/com/basics/redisTest/RandomUid.java b/src/main/java/com/basics/redisTest/RandomUid.java
@@ -0,0 +1,44 @@
+package com.basics.redisTest;
+
+import redis.clients.jedis.HostAndPort;
+import redis.clients.jedis.Jedis;
+import redis.clients.jedis.JedisSentinelPool;
+
+import java.text.SimpleDateFormat;
+import java.util.*;
+
+/**
+ * @PACKAGE_NAME: com.basics.redisTest
+ * @PROJECT_NAME: JavaCode
+ * @Date: 2018/4/19
+ * @author: Jossc
+ * reids id 生成策略
+ */
+public class RandomUid {
+    private  static Jedis jedis = new Jedis("127.0.0.1",6379);
+    private static ThreadLocal<SimpleDateFormat> threadLocal = new ThreadLocal<SimpleDateFormat>(){
+        protected synchronized SimpleDateFormat initialValue() {
+            return  new SimpleDateFormat("yy-MM-dd", Locale.getDefault());
+        }
+    };
+    static {
+        jedis.set("redisCount","10000");
+
+    }
+    public static void main (String args[]){
+        String value = randomId("01",new Date());
+        System.out.println("value : " + value);
+    }
+
+    public static String randomId(String type,Date date){
+        SimpleDateFormat simpleDateFormat = threadLocal.get();
+        String dateFomat  = simpleDateFormat.format(date).replaceAll("-","");
+        jedis.incr("redisCount");
+        String redisValue = jedis.get("redisCount");
+        UUID uuid = UUID.randomUUID();
+        String uuidValue =  new String(String.valueOf(uuid.hashCode())).
+                replaceAll("-","").substring(0,2);
+        return type + dateFomat + redisValue + uuidValue;
+    }
+
+}
diff --git a/src/main/java/com/basics/redisTest/TimerCleanRedis.java b/src/main/java/com/basics/redisTest/TimerCleanRedis.java
@@ -0,0 +1,45 @@
+package com.basics.redisTest;
+
+import java.util.Calendar;
+import java.util.Date;
+import java.util.Timer;
+import java.util.TimerTask;
+
+/**
+ * @PACKAGE_NAME: com.basics.redisTest
+ * @PROJECT_NAME: JavaCode
+ * @Date: 2018/4/19
+ * @author: Jossc
+ */
+public class TimerCleanRedis {
+    static  int count = 0;
+
+    public static void showTimer() {
+        TimerTask task = new TimerTask() {
+            @Override
+            public void run() {
+                ++count;
+                System.out.println("时间=" + new Date() + " 执行了" + count + "次"); // 1次
+            }
+        };
+        //设置执行时间
+        Calendar calendar = Calendar.getInstance();
+        int year = calendar.get(Calendar.YEAR);
+        int month = calendar.get(Calendar.MONTH);
+        int day = calendar.get(Calendar.DAY_OF_MONTH);//每天
+        //定制每天的00:00:00执行，
+        calendar.set(year, month, day, 00, 00, 00);
+        Date date = calendar.getTime();
+        Timer timer = new Timer();
+        System.out.println(date);
+
+        int period = 2 * 1000;
+        timer.schedule(task, date, period);
+        //每天的date时刻执行task, 仅执行一次
+        //timer.schedule(task, date);
+    }
+
+    public static void main(String[] args) {
+        showTimer();
+    }
+}
